Associate Software Engineer — Grow in Production‑Grade SaaS

Halliburton Energy Services; Abingdon; On-site; GBP 35,000 - 55,000; Full time

Job summary

Landmark, a Halliburton company, is hiring for early-career software engineers who will join delivery teams building software used by energy companies worldwide. You will write production code, debug live data-connected systems, and ship features that support real decisions daily.

As you grow, you’ll receive guidance from experienced engineers, participate in code reviews, and learn the product domain across multiple teams.

Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, or a related discipline, or equivalent professional experience.
• Minimum of 3 years of software development experience.
• Working knowledge of at least one modern programming language and standard development tooling.

Responsibilities

• Build, test, and ship features for products in active use by energy companies worldwide.
• Debug and fix defects in production systems, learning how large-scale applications behave under real conditions.
• Write and maintain automated tests as part of the team’s standard delivery workflow.
• Participate in code reviews: read teammates’ code, receive feedback on yours, and learn the codebase through both activities.
• Follow secure coding practices, triage security issues when they arise, and apply fixes to deliver secure applications.
• Contribute to technical documentation for the systems and features you work on.
• Work within a distributed team across time zones, communicating clearly about progress and blockers.
• Research and evaluate open-source tools and libraries that can improve the systems you work on.
• Grow your understanding of the product domain through the work itself.

Skills

Java

C#

F#

C++

Python

TypeScript

Version control

Build systems

Testing frameworks

Education

Bachelor’s degree in CS/SE or related field

Tools

Git

Maven/Gradle

JUnit

CI/CD tools

Job description

Landmark, a Halliburton company, is hiring for early-career software engineers who will join delivery teams building software used by energy companies worldwide. You will write production code, debug live data-connected systems, and ship features that support real decisions daily.

As you grow, you’ll receive guidance from experienced engineers, participate in code reviews, and learn the product domain across multiple teams.